[INCH-POUND]
A-A-52300
March 3, 1992
COMMERCIAL ITEM DESCRIPTION
PROTRACTORS, CIRCULAR AND SEMICIRCULAR, (MILS, DEDGREES)
The General Services Administration has authorized the use of this commercial item description in preference to Federal specification GG-P-681D.
This description covers circular protractors of plastic and semicircular protractors of brass or plastic for use in graphically measuring precise angles required by mapping and precision drafting techniques.
Salient characteristics:
Design. The protractors shall be as specified herein. The protractors shall have precise graduations, letters, numbers, and shall be constructed of materials (brass or plastic) designed to lie flat on a plane surface without stretching or warping. All graduation, letters, and numbers shall be complete, sharp, and precisely formed.
Classification.
Types, classes, styles, and sizes. Protractors shall be of the following types, classes, styles, and sizes.
Type I – Semicircular
Class A – Graduated in degrees
Class B – Graduated in rolls
Style 1 - Without arc extension
Style 2 – With arc extension
Sizes (diameter)
4 inches
6 inches
8 inches
10 inches
12 inches
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Beneficial comments, recommendations, additions, deletions, clarifications, etc. and other data which may improve this document should be sent by letter to: Commander, U.S. Army Belvoir Research, Development and Engineering Center, ATTN: STRBE-TSE, Fort Belvoir, VA 22060-5606. |
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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